| 时间 |
值 （亿美元） |
世界排名 |
| 2016 |
8 |
108 |
| 2015 |
8 |
123 |
| 2014 |
10 |
119 |
| 2013 |
10 |
123 |
| 2012 |
8 |
129 |
| 2011 |
9 |
125 |
| 2010 |
7 |
128 |
| 2009 |
5 |
132 |
| 2008 |
5 |
132 |
| 2007 |
4 |
133 |
| 2006 |
5 |
130 |
| 2005 |
5 |
128 |
| 2004 |
5 |
128 |
| 2003 |
4 |
129 |
| 2002 |
3 |
128 |
| 2001 |
3 |
129 |
| 2000 |
3 |
129 |
| 1999 |
3 |
130 |
| 1998 |
4 |
120 |
| 1997 |
5 |
115 |
| 1996 |
5 |
118 |
| 1995 |
5 |
107 |